Allow flake to be purchased with a credit card

[TheRook]

1. Go through a KYC/AML service and make sure the credit card matches the identity they proved.
2. Allow approved accounts to buy and sell Flake for cash.
3. Paypal, AmazonPay, Credit or Debit Card and ACH transfers are all possible methods of payment.

After purchase via cash, the items will show up in the user's wallet profile.

https://mintable.medium.com/purchase-any-nft-with-credit-card-which-paves-the-way-for-adoption-649fa5e8b0#:~:text=You%20can%20now%20purchase%20NFTs,accessible%20to%20a%20larger%20audience.